User Manual

Wiring with easy800
154
08/04 AWB2528-1423GB
Figure 71: easy800 circuit diagram with counter relay
Parameter display and parameter set for counter
relay:
In the parameter display of a counter relay you change
setpoint values and/or the preset value and enabling of the
parameter display.
Value range
The function block operates in the integer range from
–2147483648 to 2147483647.
Behaviour when value range is exceeded
The function block sets the switching contact C .. CY to the
status 1 and retains the value of the last valid operation.
I 05---------------------------Ä C 20C_
I 06---------------------------Ä C 20RE
I 07---------------------------Ä C 20D_
I 08---------------------------Ä C 20SE
C 20OF-------------------------Ä Q 01
C 20FB-------------------------Ä Q 02
C 20ZE-------------------------Ä Q 03
C 20CY-------------------------S M 42
C 20 +
>SH
>SL
>SV
QV>
C 20 Counter relay function block number 20
+ Appears in the parameter display
>SH Upper setpoint
>SL Lower setpoint
>SV Defined actual value (Preset)
QV> Actual value in RUN mode
h
Counter C counts every rising edge on the counter input.
If the value range is exceeded, the switching contact
C ..CY switches to status 1 for one cycle per rising edge
detected.